In Bash, you can get the date and time using the command date. You can use it to form a more or less unique filename. Here is the code.
date_string=$(date +"%Y-%m-%d.%0k.%M.%S") echo ${date_time}
Output
2019-06-17.14.16.54
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Xuan Ngo is the founder of OpenWritings.net. He currently lives in Montreal, Canada. He loves to write about programming and open source subjects.